//书P34,第二题
public class p342 {
    public static void main(String[] args) {
        char a='Α';
        char b='α';
        for (int i=0;i<25;i++){
            char c=a;
            System.out.println(c);
            a++;
        }
        for (int i=0;i<25;i++){
            char d=b;
            System.out.println(d);
            b++;
        }
    }
}